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May 8 • 7 tweets • 3 min read
Update ➡️ The PRC Test Spacecraft 2 (NORAD ID 53357) landed in the early hours ET on Monday, 8 May 2023.

Based on our observation data and confirmed by reports, the landing window was likely between 0018 - 0020 UTC. Members of our global operations team in the AIPAC region observed that the object missed a scheduled early morning pass over the LeoLabs Kiwi Space Radar on 8 May 2023 local time. Image
Apr 21 • 4 tweets • 2 min read
On April 13, we detected a large maneuver by Object 53357, the PRC’s experimental spaceplane.

This maneuver resulted in a decrease in altitude from 613 - 355 km.

Shown below: the previous orbit is in orange and the new one is in blue. Image This new mission phase could indicate preparations for landing of the reusable spaceplane — or something new entirely.
Jan 27 • 10 tweets • 4 min read
Too close for comfort... 😳

Two large, defunct objects in #LEO narrowly missed each other this morning — an SL-8 rocket body (16511) and Cosmos 2361 (25590) passed by one another at an altitude of 984km. 🚀⚠️ #SpaceDebris LeoLabs platform illustrati... 1/ Based on our radar tracking data, we computed a miss distance of only 6 meters with an error margin of only a few tens of meters.
Jan 27, 2020 • 4 tweets • 1 min read
1/ We are monitoring a close approach event involving IRAS (13777), the decommissioned space telescope launched in 1983, and GGSE-4 (2828), an experimental US payload launched in 1967.

(IRAS image credit: NASA) 2/ On Jan 29 at 23:39:35 UTC, these two objects will pass close by one another at a relative velocity of 14.7 km/s (900km directly above Pittsburgh, PA). Our latest metrics on the event show a predicted miss distance of between 15-30 meters.